The 3100 can be easily attached to any standard type violin. This pickup has wide band frequency response, excellent string balance, high degree of feedback rejection and outstanding signal isolation. It is ideal for virtually all sound reinforcement and studio applications. It attaches quickly and easily to the bridge with nylon thumb screws with no holes to drill and no tools required. Also available for violas. Model 3110 is furnished with the 3000a piezo buffer preamp with EQ and 3100p 1/4" output jack.